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    "并发\n",
    "\n",
    "159.举例说明 conccurent.future 的中线程池的用法\n",
    "160.说一说多线程，多进程和协程的区别。\n",
    "161.简述 GIL\n",
    "162.进程之间如何通信\n",
    "163.IO 多路复用的作用？\n",
    "164.select、poll、epoll 模型的区别？\n",
    "165.什么是并发和并行？\n",
    "166.一个线程 1 让线程 2 去调用一个函数怎么实现？\n",
    "167.解释什么是异步非阻塞？\n",
    "168.threading.local 的作用？"
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